Browsing by Author "Bvumbi, S.P."

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    Octupole correlations in the structure of O2 bands in the N=88 nuclei150Sm Gd
    (American Physical Society, 2013) Bvumbi, S.P.; Sharpey-Schafer, J.F.; Jones, P.M.; Mullins, S.M.
    Knowledge of the exact microscopic structure of the 01 + ground state and first excited 02 + state in 150Sm is required to understand the branching of double β decay to these states from 150Nd. The detailed spectroscopy of 150Sm and 152Gd has been studied using (α,xn) reactions and the γ -ray arrays AFRODITE and JUROGAM II. Consistently strong E1 transitions are observed between the excited Kπ = 02 + bands and the lowest negative parity bands in both nuclei. These results are discussed in terms of the possible permanent octupole deformation in the first excited Kπ = 02 + band and also in terms of the “tidal wave” model of Frauendorf.